YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.29 | 1.48 | 0.93 | 0.06 | 0.67 | 0.41 | 5.84 | f | ||||||
1936 | 0.09 | 2.42 | 0.92 | 0.06 | 0.10 | 0.27 | 1.29 | 1.15 | 1.03 | 1.05 | 0.29 | 1.79 | 10.46 | |||||||||||||
1937 | 0.95 | 1.48 | 1.41 | 0.37 | 0.14 | 0.10 | 1.22 | 1.11 | 3.30 | 0.00 | 0.03 | 0.93 | 11.04 | |||||||||||||
1938 | 1.12 | 1.86 | 2.76 | 0.05 | 0.74 | 0.67 | 0.84 | 1.01 | 0.39 | 0.33 | 0.20 | 1.21 | 11.18 | |||||||||||||
1939 | 0.98 | 0.83 | 0.43 | 0.47 | 0.22 | 0.00 | 0.78 | 0.07 | 4.87 | 0.00 | 0.38 | 0.10 | 9.13 | |||||||||||||
1940 | 1.30 | 0.99 | 0.54 | 1.14 | 0.00 | 0.16 | ----- | z | 2.04 | 1.57 | 1.49 | 0.37 | 2.94 | 12.54 | a | |||||||||||
1941 | 1.41 | 2.66 | 1.82 | 1.72 | 1.02 | 0.50 | 0.48 | 0.71 | 0.91 | 1.68 | ----- | z | 1.60 | 14.51 | a | |||||||||||
1942 | 0.01 | 0.74 | 0.53 | 0.57 | 0.00 | 0.00 | 0.38 | 0.38 | 0.48 | 0.15 | ----- | z | 1.60 | 4.84 | a | |||||||||||
1943 | 2.42 | 0.50 | 0.90 | 0.40 | 0.00 | 0.00 | 0.15 | 1.84 | 0.80 | 0.73 | 0.19 | 1.00 | 8.93 | |||||||||||||
1944 | 0.31 | 1.58 | 0.38 | 0.76 | 0.23 | 0.04 | 0.31 | 0.40 | 0.00 | 0.00 | 0.91 | 0.00 | 4.92 | |||||||||||||
1945 | 0.24 | 1.64 | 1.79 | 0.22 | 0.30 | 0.04 | 2.38 | 2.10 | 0.22 | 0.55 | ----- | z | 1.34 | 10.82 | a | |||||||||||
1946 | 0.95 | 0.05 | 1.06 | 1.56 | 0.38 | 0.00 | 1.94 | 2.58 | ----- | z | 0.83 | 0.82 | 0.37 | 10.54 | a | |||||||||||
1947 | 0.08 | 0.18 | 0.06 | 0.31 | 0.40 | 0.00 | 0.22 | 2.47 | 0.01 | 0.98 | 0.47 | 0.66 | 5.84 | |||||||||||||
1948 | 0.09 | 0.35 | 0.87 | 0.10 | 0.00 | 0.73 | 1.56 | 2.16 | 1.03 | 0.73 | 0.00 | 1.99 | 9.61 | |||||||||||||
1949 | 1.50 | 0.28 | 0.44 | 0.03 | 0.07 | 0.34 | 0.32 | 0.60 | 2.67 | 1.10 | 0.37 | 0.57 | 8.29 | |||||||||||||
1950 | 0.81 | 1.61 | 0.75 | 0.00 | 0.16 | 0.01 | 1.88 | 0.66 | 0.26 | 0.06 | 0.01 | 0.00 | 6.21 | |||||||||||||
1951 | 0.35 | 0.29 | 0.25 | 0.40 | 0.81 | 0.00 | 0.39 | 4.04 | 0.70 | 2.25 | 0.33 | 2.12 | 11.93 | |||||||||||||
1952 | 1.21 | 0.27 | 1.41 | 1.23 | 0.00 | 0.21 | 1.37 | 0.79 | 1.65 | f | 0.00 | 0.73 | 0.72 | 7.94 | a | |||||||||||
1953 | 0.22 | 0.00 | 0.45 | 0.48 | 0.10 | 0.36 | 1.39 | 2.35 | 0.00 | 0.33 | 0.37 | 0.18 | 6.23 | |||||||||||||
1954 | 0.35 | f | 0.51 | 2.49 | 0.00 | 0.22 | 1.31 | 0.60 | 0.75 | 1.56 | 0.10 | 0.10 | 0.40 | 8.04 | a | |||||||||||
1955 | 0.63 | 0.94 | 0.00 | 0.00 | 0.00 | 2.10 | 0.10 | 1.02 | 0.00 | 0.00 | 0.77 | 0.05 | 5.61 | |||||||||||||
1956 | 0.84 | 0.07 | 0.00 | 0.14 | 0.35 | 0.37 | 0.76 | 1.02 | 0.04 | 0.85 | 0.00 | 0.44 | g | 4.44 | a | |||||||||||
1957 | 2.10 | 0.66 | 0.59 | 0.59 | 0.98 | 0.14 | 0.85 | 2.13 | 0.00 | 1.52 | 1.54 | 0.48 | 11.58 | |||||||||||||
1958 | 0.48 | 1.11 | a | 2.15 | a | 0.61 | 0.55 | 0.00 | 0.00 | 1.92 | 0.80 | 0.45 | ----- | z | ----- | z | 8.07 | b | ||||||||
1959 | ----- | z | 0.74 | ----- | z | 0.88 | 0.12 | 0.38 | 0.34 | 1.61 | 0.04 | 0.59 | ----- | z | 1.45 | a | 6.15 | c | ||||||||
1960 | 0.51 | 1.29 | 0.15 | 0.61 | b | 0.21 | 0.41 | 0.00 | 0.56 | 1.44 | 2.78 | c | ----- | z | 0.89 | 8.85 | a | |||||||||
1961 | 0.10 | 0.00 | 1.90 | 0.76 | 0.05 | 0.00 | 0.90 | 1.54 | 0.79 | 0.01 | 0.22 | 0.60 | 6.87 | |||||||||||||
1962 | 0.58 | 1.00 | 0.25 | 0.00 | ----- | z | ----- | z | 1.14 | 1.64 | 0.29 | 0.87 | 0.70 | 0.75 | 7.22 | b | ||||||||||
1963 | 0.19 | 0.90 | 0.16 | l | 0.44 | 0.00 | 0.00 | 0.50 | 4.17 | 1.15 | 0.00 | 0.00 | 0.00 | 7.35 | a | |||||||||||
1964 | 0.15 | 0.00 | ----- | z | 0.45 | ----- | z | 0.35 | ----- | z | 0.75 | ----- | z | ----- | z | ----- | z | ----- | z | 1.70 | g | |||||
1965 | ----- | z | ----- | z | 0.95 | 1.84 | 2.00 | 0.24 | 1.67 | 1.19 | 1.32 | 0.14 | ----- | z | ----- | z | 9.35 | d | ||||||||
1966 | ----- | z | 0.80 | 0.50 | 0.39 | 0.35 | 0.13 | 1.36 | 1.49 | 0.11 | 1.18 | 0.56 | 2.08 | 8.95 | a | |||||||||||
1967 | 0.76 | 0.00 | 0.37 | 0.12 | 0.28 | 0.44 | 1.42 | 0.81 | 2.66 | 0.00 | 0.01 | 1.16 | 8.03 | |||||||||||||
1968 | 0.62 | ----- | z | 0.35 | 0.23 | 0.03 | 0.00 | 1.30 | 0.53 | 0.03 | 0.27 | 0.25 | 0.05 | 3.66 | a | |||||||||||
1969 | 1.27 | 0.00 | 0.18 | 0.02 | 0.27 | 0.20 | ----- | z | 0.53 | w | 1.41 | ----- | z | ----- | z | ----- | z | 3.35 | e | |||||||
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | s | 0.56 | ----- | z | 0.56 | k | |
1971 | 0.15 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.15 | k | |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.26 | 0.69 | 0.52 | 3.63 | 0.76 | 1.50 | 7.36 | f | ||||||
1973 | 1.17 | 1.00 | 1.18 | 0.14 | 0.20 | 0.62 | 0.62 | 0.78 | 0.28 | ----- | z | 0.61 | 0.05 | 6.65 | a | |||||||||||
1974 | 1.78 | 0.20 | 0.36 | 0.56 | 0.00 | 0.00 | 0.77 | 0.34 | 0.27 | 1.02 | 0.66 | 0.46 | 6.42 | |||||||||||||
1975 | 0.97 | 0.48 | 1.43 | 0.52 | 0.05 | 0.13 | 0.29 | 0.23 | 1.76 | 0.13 | 0.83 | 0.38 | 7.20 | |||||||||||||
1976 | 0.03 | 1.72 | 0.08 | 0.27 | 0.81 | 0.07 | 1.89 | 0.24 | 1.58 | 0.10 | 0.03 | 0.01 | 6.83 | |||||||||||||
1977 | 0.60 | 0.01 | 0.27 | 0.00 | 0.27 | 0.46 | 0.92 | 0.15 | 0.66 | 0.28 | 0.62 | 0.88 | 5.12 | |||||||||||||
1978 | 2.48 | 1.43 | 1.93 | 0.41 | 0.23 | 0.00 | 0.54 | 0.19 | 1.11 | 1.07 | 4.68 | 2.36 | 16.43 | |||||||||||||
1979 | 1.28 | 1.36 | ----- | z | 0.11 | 0.83 | 0.22 | 0.58 | 1.47 | 0.00 | 1.24 | ----- | z | 0.71 | 7.80 | b | ||||||||||
1980 | 4.35 | 2.66 | 1.73 | 0.78 | 0.24 | 0.06 | ----- | z | 0.88 | 1.05 | 1.00 | 0.01 | 0.21 | 12.97 | a | |||||||||||
1981 | 0.22 | 0.47 | 0.99 | 0.51 | 1.12 | 0.12 | 0.70 | 3.23 | 2.13 | 1.05 | 1.42 | 0.12 | 12.08 | |||||||||||||
1982 | 1.07 | a | 1.22 | 1.38 | 0.95 | 0.16 | 0.00 | 0.66 | 2.17 | 0.60 | 0.39 | c | 2.04 | 0.94 | 11.58 | |||||||||||
1983 | 0.78 | 1.00 | 1.64 | 0.28 | 0.04 | 0.00 | 3.05 | 1.04 | 0.93 | 0.26 | 1.39 | 0.96 | 11.37 | |||||||||||||
1984 | 0.15 | u | 0.40 | 0.39 | a | 0.21 | 0.27 | 0.06 | 1.74 | 2.91 | 0.12 | 0.54 | 0.68 | 1.11 | 8.43 | a | ||||||||||
1985 | 2.07 | 0.59 | 0.97 | 1.01 | 0.12 | 0.04 | 1.02 | 0.19 | 2.12 | 0.27 | 2.43 | 0.22 | 11.05 | |||||||||||||
1986 | 0.08 | 1.01 | 1.26 | a | 0.92 | a | 0.40 | 0.28 | 0.77 | 0.54 | 1.23 | 1.02 | a | 0.96 | 1.06 | 9.53 | ||||||||||
1987 | 0.52 | 1.06 | 0.62 | 0.25 | 0.97 | 0.83 | 1.05 | 0.85 | 0.00 | 1.36 | 1.19 | 0.37 | a | 9.07 | ||||||||||||
1988 | 0.91 | 1.55 | 0.01 | 2.11 | a | 0.31 | 0.91 | 0.02 | 1.74 | 0.15 | 0.31 | 0.81 | 0.34 | 9.17 | ||||||||||||
1989 | 1.17 | 0.53 | 0.16 | 0.00 | 0.36 | 0.00 | 0.14 | 1.69 | 0.00 | 0.38 | 0.00 | 0.27 | 4.70 | |||||||||||||
1990 | 0.43 | 1.63 | 0.63 | 1.10 | 0.12 | 0.06 | 0.63 | 2.03 | 2.02 | 0.59 | 0.45 | 0.96 | 10.65 | |||||||||||||
1991 | 1.02 | 0.24 | 2.89 | 0.00 | 0.01 | 0.05 | 0.27 | 0.20 | 1.15 | 0.16 | a | 0.83 | 1.12 | 7.94 | ||||||||||||
1992 | 0.31 | 1.05 | 1.78 | 0.02 | 1.50 | 0.23 | 1.01 | 1.58 | 1.54 | 0.91 | 0.00 | 1.54 | 11.47 | |||||||||||||
1993 | 4.13 | 2.38 | 0.37 | b | 0.15 | 0.06 | 0.15 | 0.00 | 1.91 | b | ----- | z | 1.13 | 0.41 | 0.25 | 10.94 | a | |||||||||
1994 | 0.06 | 1.11 | 0.80 | 1.24 | 0.50 | 0.01 | 0.28 | 0.39 | 0.92 | 1.53 | 0.48 | 1.60 | 8.92 | |||||||||||||
1995 | 2.85 | 1.42 | 2.06 | 0.61 | 0.20 | 0.17 | 1.00 | 1.12 | 1.50 | 0.00 | 0.40 | 0.15 | 11.48 | |||||||||||||
1996 | 0.25 | 0.69 | 0.75 | 0.04 | 0.01 | 0.01 | 1.13 | 0.75 | 1.19 | 1.13 | 1.14 | 0.53 | 7.62 | |||||||||||||
1997 | 1.47 | 0.93 | 0.00 | 1.42 | 0.31 | 0.71 | 0.71 | 3.27 | 2.09 | 1.09 | ----- | z | 0.48 | 12.48 | a | |||||||||||
1998 | 0.40 | 1.71 | 1.54 | 0.40 | 0.75 | 0.00 | 0.81 | 1.80 | 1.29 | 2.18 | 0.37 | 0.40 | 11.65 | |||||||||||||
1999 | 0.22 | 0.41 | 0.32 | 0.96 | 0.73 | 0.39 | 3.45 | 3.45 | 0.61 | 0.00 | 0.00 | 0.01 | 10.55 | |||||||||||||
2000 | 0.44 | 0.78 | 1.17 | 0.20 | 0.00 | 0.07 | 0.16 | 0.52 | 0.08 | 2.83 | 0.18 | 0.25 | 6.68 | |||||||||||||
2001 | 0.99 | 0.56 | a | 1.33 | 0.34 | 0.18 | 0.25 | 1.43 | 2.77 | 0.41 | 0.15 | 0.14 | 0.72 | 9.27 | ||||||||||||
2002 | 0.01 | 0.06 | 0.59 | 0.00 | 0.00 | 0.00 | 0.28 | 0.74 | 1.52 | a | 0.30 | 0.56 | 0.95 | 5.01 | ||||||||||||
2003 | 0.49 | 0.94 | 1.24 | 0.33 | 0.07 | 0.00 | 0.35 | 2.88 | 0.30 | 0.97 | 1.22 | a | 0.42 | 9.21 | ||||||||||||
2004 | 0.18 | 0.71 | 0.12 | a | 1.28 | 0.00 | 0.04 | 0.42 | 2.06 | 2.85 | 3.26 | 2.89 | 1.55 | 15.36 | ||||||||||||
2005 | 2.80 | 1.64 | 0.82 | 1.45 | 0.41 | 0.79 | a | 2.27 | d | 1.92 | a | 0.04 | 0.82 | 0.00 | 0.02 | 12.98 | ||||||||||
2006 | 0.21 | 0.02 | d | 1.57 | 0.57 | 0.00 | 0.46 | 1.42 | c | 2.07 | 1.23 | 1.56 | 0.20 | 0.17 | g | 9.31 | a | |||||||||
2007 | 0.25 | 0.23 | 0.47 | 0.30 | 0.86 | 0.00 | 0.66 | 1.05 | 0.76 | 0.58 | 0.50 | 2.48 | 8.14 | |||||||||||||
2008 | 2.45 | 2.18 | 0.31 | 0.00 | 0.76 | 0.35 | ----- | z | ----- | z | ----- | z | 0.00 | p | 0.03 | h | 1.62 | i | 6.05 | f | ||||||
2009 | 0.66 | 0.90 | 0.14 | 0.39 | 0.80 | 0.29 | 0.08 | 0.28 | 0.54 | 0.07 | 0.13 | 2.05 | 6.33 | |||||||||||||
2010 | 1.89 | 1.58 | 0.43 | 0.38 | 0.00 | 0.19 | 1.72 | 1.06 | 0.00 | 3.14 | 0.55 | 0.94 | 11.88 | |||||||||||||
2011 | ----- | z | 1.07 | u | 0.53 | x | ----- | z | 0.20 | j | 0.00 | 1.13 | 1.13 | a | 1.48 | 0.48 | 0.90 | 0.82 | 5.94 | e | ||||||
2012 | 0.40 | 0.57 | 0.91 | 0.17 | 0.00 | 0.00 | 2.19 | 2.76 | 1.34 | a | 0.24 | 0.02 | 0.95 | a | 9.55 | |||||||||||
2013 | 1.76 | 0.09 | 0.13 | 0.15 | 0.09 | 0.00 | 2.06 | 2.96 | 2.47 | a | 0.33 | 0.39 | 0.14 | 10.57 | ||||||||||||
2014 | 0.10 | 0.23 | 0.28 | 0.39 | 0.18 | 0.00 | 0.78 | 1.37 | 1.41 | 0.00 | 0.01 | 0.82 | 5.57 | |||||||||||||
2015 | 0.66 | 1.05 | 1.11 | a | 0.27 | 0.83 | 1.67 | 1.00 | 2.95 | 0.81 | 2.62 | 0.28 | 0.76 | 14.01 | ||||||||||||
2016 | 0.92 | 0.34 | 0.24 | 0.51 | 0.07 | 0.00 | 0.97 | 2.76 | 1.54 | 0.52 | 0.81 | 1.60 | 10.28 | |||||||||||||
2017 | 2.14 | 0.84 | 0.90 | 0.41 | 0.49 | 0.00 | 1.24 | 0.47 | 0.33 | 0.00 | c | 0.06 | d | 0.00 | 6.88 | |||||||||||
2018 | 0.60 | 0.30 | 0.85 | 0.08 | a | 0.57 | 0.00 | 1.52 | 2.16 | 0.96 | 1.99 | 0.34 | 0.44 | 9.81 | ||||||||||||
2019 | 1.57 | 3.02 | 0.93 | 0.24 | b | 2.48 | a | 0.00 | 0.21 | 0.19 | e | 0.11 | 0.00 | b | 2.85 | 0.90 | 12.50 | |||||||||
2020 | 0.32 | 0.19 | a | 1.12 | 0.19 | 0.15 | 0.00 | b | 0.46 | 0.02 | 0.04 | 0.00 | a | 0.29 | 0.08 | a | 2.86 | |||||||||
2021 | 0.77 | 0.33 | b | 0.52 | e | 0.00 | a | 0.00 | 0.03 | 2.54 | 1.07 | a | 0.32 | 1.50 | 0.00 | 1.50 | 8.58 | |||||||||
2022 | 0.12 | 0.19 | 0.39 | 0.00 | 0.00 | d | 0.60 | 0.39 | 0.48 | 0.77 | 0.34 | 0.74 | 1.48 | 5.50 | ||||||||||||
2023 | 2.65 | b | 0.40 | 2.53 | 0.15 | 0.05 | 0.00 | 0.42 | 4.05 | 0.32 | 0.47 | 0.25 | 0.02 | c | 11.31 | |||||||||||
2024 | 0.70 | 0.96 | 1.24 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.66 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.94 | 0.87 | 0.88 | 0.47 | 0.35 | 0.24 | 0.95 | 1.44 | 0.94 | 0.80 | 0.62 | 0.82 | 9.12 | |||||||||||||
S.D. | 0.90 | 0.70 | 0.70 | 0.48 | 0.45 | 0.37 | 0.73 | 1.02 | 0.89 | 0.85 | 0.77 | 0.68 | 2.81 | |||||||||||||
SKEW | 1.61 | 0.93 | 0.94 | 1.39 | 2.32 | 2.72 | 1.05 | 0.75 | 1.52 | 1.45 | 2.82 | 0.85 | 0.15 | |||||||||||||
MAX | 4.35 | 3.02 | 2.89 | 2.11 | 2.48 | 2.10 | 3.45 | 4.17 | 4.87 | 3.63 | 4.68 | 2.94 | 16.43 | |||||||||||||
MIN | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 2.86 | |||||||||||||
YRS | 81 | 83 | 80 | 84 | 82 | 84 | 82 | 85 | 82 | 83 | 76 | 80 | 58 |